先日リリースされたPowerShell Core 6.1の新機能一覧に、以下の様にWindows PowerShellに対する互換性について記載されています。 On Windows, the .NET team shipped the Windows Compatibility Pack for .NET Core, a set of assemblies that add a number of removed APIs back to .NET Core on Windows. We've added the Windows Compatibility Pack to PowerShell Core 6.1 release so that any modules or scripts that use these APIs can rely on them being availabl